Opa1656 dip8. Also tried opa1622 which was not as good as the opa1612 or opa1656. tech (365) 100. 5V). s at the "heyday " of audio in EW are appearing here and divided audio designers into two camps . Tilear is 2. Specifications; Product type: Dual OPA OPA1656, OPA1642). OPA1656 or 1612 DIP8 socket to your own Soft Start circuit to avoid inrush current and allow standby mode Cooper banane plugs TWO Texas Instruments (Burr-Brown) OPA1656 Dual Discrete DIP8 OpAmp. OPA1656IDR – Audio Amplifier 2 Circuit Rail-to-Rail 8-SOIC from Texas Instruments. The idea of this group buy is to propose a full pack @fair price for a brand new Purifi Buffer : SPEC : - THD: 0,00026% @ Vin 2,5 V RMS - GAIN: 14 dB - BANDWIDTH: 2 Hz - 150 kHz - SLEW RATE: 24 V/uS - CMRR I actually prefer the LM4562's more as they have a bigger soundstage and are more neutral, but not in a clinical way. 0007 % 10W, f=1kHz 0. OPA1612 or OPA1656. somebodyelse Major Contributor. I check Vout as well OPA1656IDR Texas Instruments Operational Amplifiers - Op Amps SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier 8-SOIC -40 to 125 datasheet, inventory, & pricing. Added a new OPA1656. DACs. OPA1656 sounded worst, Muses 8920 sounded best. Dual OPA DIP8 (Unit) The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. Find many great new & used options and get the best deals for 5pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! Sound: For purposes of these tests, I started out with a Burson Swing and Fun DAC and amplifier. But I think careful gentle bending and soldering will make it fit. Thread starter daniboun; The OPA2210 definitely worth trying! as good of the OPA1656 in term of Soundstage but with the best of the OPA1692. 3V inside of each supply. SOIC-8 to 8-pin DIP Breeze TPA3255 XLR Balanced Amplifier TearDown : DIP8 Op Amps. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety SMSL SU-10 vs M500 MKIII vs DO300 21 vs 9 vs 11 dual op-amps OPA1612 (accoring to the spec from smsl-audio) What is the Op-amps doing in that? M500 SINAD is higher than DO300 with less op-amps. asy using the ADA4627 as a template 3. OPA1656 will not have the flat, 5 ohm, output impedance of the OPA1622. Joined Dec 5, 2018 Messages 4,246 Likes 3,593. This is a great reference opamp to aid in selecting discrete upgrades. 000035% (-129 dB) at 20 kHz and improves audio signal OPA1656IDR - SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier in a SOIC (D) package with 8 pins. 使用 OPA1656时、我是否正确地假设电路的最佳噪声系数为0. The LM4562 is an exception, but otherwise it are the fast op-amps that JRA has trouble with: Misbehaving: OPA1656, gain-bandwidth product 53 MHz LME49990, 110 MHz OPA1612, I'm just checking to be sorta sure of what I got from China and/or whether maybe the DIP8 assembly needs further cleaning with 91% IPA. Mic Amplifiers. Copied the given . Find many great new & used options and get the best deals for 2pcs SOCKET NEW OPA1656IDR OPA1656 OP1656 ON DIP8 at the best online prices at eBay! Free shipping for many products! Benefit is lower dc offset and less distortion also high open loop gain also superior stability. 00015 Be the first to review “New ClassD Ultimate MKII DUAL Discrete OpAmp DIP8 VTV Amplifier” Cancel reply. TI’s OPA1656 is a SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier. 2) Buy a real Meanwell 24v PSU, then adjust the voltage all the way down to roughly ~21. amb Site Admin Posts: 12153 Likes: 285 posts Liked in: 766 posts หน้าแรก; ข้อมูลผู้บริหาร; ข่าว/ผลการดำเนินงาน. I would recommend the V5i if you like your amplifier/DAC but want to make it sound cleaner, clearer: and the Yes, I think I will just use the old DIP PCB instead of the SOIC PCB. But I experience some stability issue and over heating. 1 is the amplifier we produce for our customer. <br>We specialize in electronic components more than 10 years, such as ICs, Transistors, Diodes, Resistors, Capacitors and so on. Unique features, such as rail-to-rail input and output voltage ranges, wide bandwidth (25 The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Consider running a quality ~2200 uF 35v smoothing capacitor at the positive & negative output. Brand New. The low voltage noise combined with the low current noise make this device great for low and high impedance applications such as a high gain microphone pre-amplifier. KH Electronic Supporting Store. 3-band equalizer High end Floor speakers (Ribbon tweeter) 93DB / 100RMS / 8 ohms Source : No PFFB Sound quality : With the 4 OPA1656, compared to the AIYIMA TPA3251. HOWEVERthe OPA1642 draws about HALF the current, its gain A quick snapshot of the OPA1656 performance specs: 2. 00-PAIR Sparkos SS2590 Pro Single Discrete OpAmp $ 119. It is absolutely hopeless otherwise. Chipset. Much better performance than an lm4652. 2V inside the negative rail and 2. 000015% at 1kHz. AIYIMA A04 is 2. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. g. Il possède notamment une très bonne dynamique et un faible niveau de distorsion harmonique. One of my favorites. The OPA1655 and OPA1656 (OPA165x) are Burr-BrownTM op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 1x 2pcs OPA1656IDR. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. For more quantities or models, please feel free to contact me！<br><br>We located in the biggest electronic market in ShenZhen, China. I am using opa1612 (bipolar) and opa1656(fet) opamps. mouser. Similar items. lib file into the related LTSPice folder 2. 99uV, or a THD+N of -131dB below 3. Smart Filtering As you select one or more parametric filters below, Smart Filtering will instantly disable any unselected values that would cause no results to be found. Joined May 9, 2023 Messages 9 Likes 2. from United States. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Hi amigos, I am selling my personal Purifi Power amp made with care and great materials like new ! Buffers are Custom with HPR voltage reg. OPA1656 also has a pole-zero pair in the open loop gain curve to boost the open loop gain at audio frequencies (hence the 53 MHz gain bandwidth product). Applications: Preamps. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety OPA1655 , OPA1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. Pricing and Availability on millions of electronic components from Digi-Key Electronics. Supports simple circuit simulation. and Just going into some more details with the OPA1656: with an average 3. 1uf TDK's 4) Replaced the 4 opa caps nearest the OPA1656: 611Kb / 23P [Old version datasheet] Ultra-low-noise, low-distortion, FET-input, Burr-Brown audio operational amplifier OPA1662: 1Mb / 32P [Old version datasheet] Low Noise and Distortion, General-Purpose, FET-Input AUDIO OPERATIONAL AMPLIFIERS OPA1652: 1Mb / 29P Std Edition. View all 8. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. The OPA1656 is a Burr-BrownTM operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. I think this is a very impressive amp for its price, and I can equally enjoy listening to this amp driving my KEF LS50s in my living room system. 1 00. 1641 is one of their many options. I ended up with a couple extra from a project. 5mA. 5 KB · Views: 233 OPA1622-DIP8. I have been listening the double mono Merus Infineon amplifier for 5 days now this amplifier is really great : the more I listen to it the more I keep on saying that it is an excellent "all around" amplifier (can play any kind of OPA1656ID Texas Instruments Operational Amplifiers - Op Amps SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier 8-SOIC -40 to 125 datasheet, inventory, & pricing. No results found. 2. 6mV？ 400k 是否合理用于第二级源电阻？ 我还没有想到其他哪些方法可以降低电路中的噪声？ 在此应用中、是否还有其他运算放大器也能正常工作、甚至比 OPA1656更好？ Find many great new & used options and get the best deals for 1PCS OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! The fine pitch package of the OPA1622 was considered, by me and others that I asked, to be too daunting a task for the home DIY'r, whereas the OPA1656 in the SOIC package and LMH6321 in the DPAK/TO-263 package were quite doable and the calculated performance based on extrapolating the data sheet distortion curves etc. Just getting a better (cheap) opamp worth it. This devices offers very low offset voltage (±25 µV), drift (±0. 8 40 Reviews ౹ 155 sold. I found the Bass being sweeter, the fact I have know the products you said. Best SQ have with 1656. OPA1656 as DC Servo Hi I finally tried this new generation CMOS process dual op-amp in the U1 DC servo position. gussesy8225 (1127) 99% positive; Seller's other items Seller's other items; Contact seller; US $19. dip8. Opa1656 is pretty good with 100ma. The OPA1656 operates over a very wide supply range of ±2. So : you can "custom" your sound with your favorite DIP OP After a long listening comparison over months with a number of modern audio OP-Amps, I can only say that the OPA1656 is one of the best integrated in terms DIP8 OPA1656 Dual Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifier. Cancel; Up 0 True Down; Cancel; I have my BrownDog SOIC-to-DIP8 adapters now, and the OPA1656 op amps are due to arrive this Thursday from Mouser. 1) Replaced the main caps with 4500uf United Chemi-Cons 2) Bypassed the main caps with 2x 2. We are in endeavor to provide you best service and keep you a happy buying experience from us. Call Cimmaron at 918-636-0662 to make absolutely certain this will work for you. This chip doesn't fit in the common DIP8 packaging, but thankfully @Audiophonics sells a pre-modified OPA1656 for 5 €. I did an A/B comparison to LME47920 (metal cans), burson V5i, V6 and also the Sparkos Pro discrete op-amps on one of my DAC's. If you want a more neutral sound, the OPA1656 op amps are a great choice. jpg. opa1656が最新でスペックの高さが評判でしたので、最初は期待しましたがドライであっさりした音で最初はつまらなく感じました。しかし、ths4651と組み合わせると音響の下支えを担うように鮮やかさを増すようになりました。opa1656は良いです。 4 4. The only thing I could find was OPA1641 and not even the right package. OPA2156 does not, it is closer to a single pole response. 7 sold. The amplifier sounds great and very loud with the We have a lot of products and only show a small number of products on the website. IME the OPA1656 gives you much more details than any 5532 and also a much better bass. <br> New Purifi Buffer in V2. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Sounds bad, opa1655/opa1656 is MILES better. If haven’t ordered your Opa1656 samples yet from TI you might as well tacit the Opa1692 since the shipping may be a flat rate as well??? Last edited: Jul 23, 2019. common mode voltage that I've measured on any op amp. NE5532: The resolution is average, the high frequency is relatively dry, and the low frequency is For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. (Viborg style) There is also a soft start module to limit destructive inrush currents The amp is absolutely dead silent even with my ears glued to the speakers. 5Volt, just because the THD with -150dB vanishes in the noise. New products. Features: –Designed by Andrew Sparks of Here there are a number of options: BJT-inputs without bias current cancellation (OPA1622), Super-Beta BJTs (OPA2210), Low voltage noise JFET and CMOS (OPA1642, OPA827, OPA828, OPA1656/2156). ••• Find many great new & used options and get the best deals for 1pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET #WD9* at the best online prices at eBay! Free shipping for many products! OPA1656 / OPA1656IDR Texas Instruments TI Ori Original Asli Elantech - TERSOLDER di Tokopedia ∙ Promo Pengguna Baru ∙ Cicilan 0% ∙ Kurir Instan. DIP8 OPA1656 Dual Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifier. 48. Each adapter has two OPA627AU op amps, one on top and one on the bottom. I expect the process has bipolar (both genders), JFETs and CMOS transistors available to the chip OPA1656ID Texas Instruments Operational Amplifiers - Op Amps SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier 8-SOIC -40 to 125 datasheet, inventory & pricing. The Audiophonics OPA1612 is mounted on a DIP8 bracket and can therefore be easily installed on a PCB with a connector of this type. Is pin nr. The OPA1656 is a Burr-BrownTM operational amplifier (op amp) Audiophonics is proud to present the OPA1656 based on a genuine Texas Instrument chip. 9nV/rtHz broadband voltage noise. R e s i s t o r Nu t i o n i s e C o n t r i b o VN e g a t l o ( i n r o t i n t o u C b e s i o OPA1656ID Texas Instruments Operational Amplifiers - Op Amps SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier 8-SOIC -40 to 125 datasheet, inventory & pricing. Sep 20, 2023 #1 Hello together, i want to put one of the mentioned OP Amps in my amp. 0ch TPA3251. Find many great new & used options and get the best deals for Opa1622 Dip8 Double Op Amp Finished Product Board High Current Output Low D N6k2 at the best online prices at eBay! Free shipping for many products! item 2 Batch of 4 pcs of OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Op Amp Batch of 4 pcs of OPA1656 DIP8 Ultra Low This is a direct quote from D. Buy It Now. RIAA Amplifiers. OPA1656 SoundPlus? ultra-low noise and distortion, Burr-Brown? audio operational amplifier. I have a circuit with two OPA1656's and it so happens that one offset is subtracted from another and almost cancels - in LTspice. " Let's test this out! AnalogSteph had recommended the OPA1656. 1pcs OPA1656IDR OPA1656 OP1656 Integrated Circuit IC SOP8. I prefered the sound of my DAC with the OPA1656's hands down even over the discrete op-amps. 96 shipping. TI recently introduced two devices worth looking into, updated BUF634A and OPA1656, both available as prototypes directly from TI. AliExpress assurance. I doubt that the OPA1656 is made on a jellybean CMOS process. 6 dBc (Second Harmonic) +-V DC Audio DAC The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. I was unprepared for what a superb upgrade these dip-socketed OPA1612 op-amps are over the original chips in my diy preamp. When I first got my A07, i fell down the opamp rabbithole. Try Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! Hi amigos, New Purifi Buffer in V2. Find parameters, ordering and quality information. However I have a couple PCB that use singles. Forums. 4 mV With the same configuration as above but reducing the feedback resistors by a factor of 10 for the first 2 stages, and increasing the bandwidth limiting caps to a frequency of 7. derosnopS. star =Top documentation for this product selected by TI. 1656. As you can see, opa1656 exibits sharp change in RTI offset about 6-7V (powered +-12. 67. With regard to the decouplers, because I just put them in and left them there I really should take them out About OPA1656 DC output offset: depending on gain, a low level circuit with the OPA1656 can show a few mV as output offset. SS3602 Dual. Two Pole Compensation. Smarter Shopping, Better Living! Aliexpress. Hummmmm seems you don't know your own products. You can see the receipt where I purchased from Digi-Key. Nothing changes in life the same arguments in the 80,s/90. May be 828 will be better, but i have to do some thing in the board to extract best of it. (0) (0) This review has been posted for ORACLE II 02 Discrete Dual OPA DIP8 DIP8 : (plus gros, clipsable, pates plus longue) - comme les NE5532 retirés ci-dessus et de quoi adapter du SOP8 en DIP8 si besoin : (d'autres adapteurs sans soudures existent) L'OPA1656 ça coute 1$ par 1000 chez Texas : si tu peux trouver à l'unité tu soudes ça sur un support et ça te revient moins cher OP amps : Remove NES5532 Op amps > Install Genuine OPA1656 DIP8 socket (mouser) Will let you know more when the amplifier is going to be fully assembled ) Stock version A small 110*70*35MM TPA3255 module with : SAGAMI 7W14A inductors Full Nichicon caps, as below : Nichicon 2200UF/63V VZ serie power caps Nichicon FW serie I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. Enough power to run my Kef Q150s in a medium sized room and small room. Tried in this place OP275, OPA1612, OPA1642, OPA1656 and OPA828. 5kHz (aggressive I know, but it sounded good to me and made a big difference with the noise) the Alright, next round of mods/changes complete. 3. Rakharo said: Do you guys have an idea where to by good opa1656 DIP8? Click to expand I got 6 from US based eBay seller - OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Audio Operational Amplifie | eBay No complains at all. I have never bothered to buy a OPA627/637 and listen to it in action, one day perhaps but I think I will not be able to tell the difference Hello diyAudio forum, I was looking at the SE/SE Wire headphone amp recently but I found out that the LME49610/49600 buffer isn't in stock anymore so I looked at alternatives and found the BUF634A. kal. Burr Brown OPA1656 OPA1656ID DIP8 DIP-8 PCB Opamp Op Amp Hifi OPA2604 NE5532 | eBay Skip to main content 1-5PCS opa1656 Original opa1656idr sop8 to dip8 op amp Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifie . I put some OPA1656 (THD + N @ 1 kHz : 0. OPA1622 DIP8 High Current Output Low Distortion Dual Op Amp AUDIOPHONICS OPA1656 Dual OPA DIP8 (Unit) Wishlist . Skip the socket or adapter. You usually don't get 40V supply capability on such a process. Ultra-low Distortion and Noise Audiophile Unbalanced to Balanced Converter / pre (#334610928588) Sorry to interrupt, I've had a hiatus of about a year in my hobby projects / time to read up on forums because of Covid-19, quarantine in the family, life, work and all that jazz. The OPA1641 would be slightly better. Weight. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. It's best use as an alternative to opa1612 when noise is not a big concern. 00-PAIR TWO Sonic Imagery Labs 995FET-Ticha Discrete OpAmp API VTV Amplifier $ 132. Aol for the OPA2134 with a 600 ohm load has an output swing that is 2. I've just ordered from 3E Audio the 1x480W TPA3255, 2x260W TPA3255, and the DSP ADAU1701 board - for fun. Circular Machined Gold Plated Pins. US $ 6. (Leaf Dac Dual 9038Q2M ) This DAC is using a dual 9038Q2M chips and fully balanced and also equipped with DIP8 OP amps and removable BT module. 5A. OPA1656-DIP8 BrownDog adapter. Cimarron has the 1641 in SOIC-8 OPA1641AIDR Texas Instruments - Cimarron Technology They can also mount SOIC-8 on a DIP-8 adapter. My wishlists . - updated the OPA2210 in DIP8 (genuine from Mouser) - changed the 4X SMD Caps Power caps 470uf / 50V > Nichicon Audio Grade Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! - updated the OPA2210 in DIP8 (genuine from Mouser) - changed the 4X SMD Caps Power caps 470uf / 50V > Nichicon Audio Grade UKW1H471MHD 50V / 470UF (12. Opens in a new window or tab. It is built on Texas Instrument's Super Beta precision complementary bipolar semiconductor process. It is using the same chips as the Soncoz SGD1 ) At first sight, the DAC is really really well made with quality components . Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET #T9 at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET #E5 at the best online prices at eBay! Free shipping for many products! The OPA2210 definitely worth trying! as good of the OPA1656 in term of Soundstage but with the best of the OPA1692. It offers exceptional performance in almost any audio application. There are OPA1655 , OPA1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. DrMordor is going to release soon a new Module with OPA1656, I spoke with him yesterday. BTW, traditional DIP8 op amps, e. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 6v. In it's datasheet there is an example headphone amp circuit using the OPA1656. OPA1655 と OPA1656 (OPA165x) は、信号の忠実度の維持が重要なオーディオおよび産業用アプリケーション向けに特に設計された Burr-Brown™ オペアンプです。FET 入力アーキテクチャにより、低い電圧ノイズ密度 opa1656 Operational Amplifiers - Op Amps. Test done with only one channel swapped, so it's quite easy to compare this way (also swapped the opamp for the other channel, background noise moved into the other ear). 000035% (-129dB) at 20kHz and improving audio signal fidelity across the full audio bandwidth. Since I am not interested in the V6 Vivid Dual that it comes with. But for DIY purposes there is a version pre-mounted on a DIP8 adapter. 5532 can indeed sound bass heavy and compensate for small speakers, but it is a muddier / less differentiate bass, whereas OP1656 has IMHO both impact and clearness on the bass lines. 00-PAIR TWO Sonic Imagery Labs 990Enh-Ticha The advantage of OPA1656 is that it has JFET inputs rather than bipolar, so its input bias current is much lower, making it easier to keep the output DC offset low in some applications. US $7. Seeing pictures in reviews of your amp, it is dip8, and they supply 5532 opamp in Menu. Other cheap ones on my radar - OPA2134PA, OPA1612, LM4562NA. In playmate 2 they seem to be more at home. On the α24, this is a non-issue. So I used a different dip8 adapter for the opa1612 and opa1656 and made $9. Safe payments Payment methods used by many international shoppers. The OPA1656 is a Burr-Browntrade; operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. -131 dB THD+N at 1kHz, 600 ohm TWO Texas Instruments (Burr-Brown) OPA1656 Dual Discrete DIP8 OpAmp. Past month. Sound Cards. Verified purchase. In particular, it has very good dynamics and a low level of harmonic distortion. 1. 0%, Location: Santa Monica, California, US Ships to: US, Item: 333850298075 333850298075 Find many great new & used options and get the best deals for 2 pcs of OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Audio Operational at the best online prices at eBay! Free shipping for many products! The OPA2210 definitely worth trying! as good of the OPA1656 in term of Soundstage but with the best of the OPA1692. lib SYMATTR Value2 OPA1656 SYMATTR Description TI/BB Audio FET Opamp to get the I am using a double AK4497 DAC with 4 OP amps : 2 OPA1656 + 2 OPA1611 (single) + two separate linear PSU. 1piece OPA1656 OP1656 op amp Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifie. With a wide supply voltage range and DIP8 mounting, it 販売コード 110255 型番 ae-opa1622-dip8 発売日 2016/03/01 メーカーカテゴリ 株式会社秋月電子通商 PAIR OPA1656 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. 9 mA of supply current to accommodate the power supply OPA1656IDR Texas Instruments Operational Amplifiers - Op Amps SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier 8 The OPA165x features a high bandwidth and open-loop-gain design, delivering a low distortion of 0. The sound is now far more musical, The OPA1656 is a Burr-BrownTM operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. You will need to use small SOIC8 to DIP8 adapter. So put 10 x OPA1656 in a bag to send costs 16,76 $ , to put 10 x OPA627 in a bag to send costs 130 $ . I was thinking of even buying the opamp and the dip8 adapter off of digikey but I don’t think I’ll be Hi John Yes, did it my way 1. Current noise: 6 fA/ Hz at 1 kHz. In all, I will say the changes are noticeable, but not earth shattering. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety I am selling two 1x OPA1656 Op Amps from my personal collection. OPA1656 Noise Curves. 8-nV/√ Hz noise density with an ultralow THD+N of –119. Check out as Find many great new & used options and get the best deals for 1pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET at the best online prices at eBay! Free shipping for many products! 電子部品,通販,販売,半導体,ic,led,マイコン,電子工作opa1655dr デュアル(2回路)化dipモジュール 完成品秋月電子通商 電子部品通信販売 1PCS OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET | eBay I can only afford these at the moment . 25 V to ±18 V (4. A TSSOP8 to DIP8 adapter should work. Other candidates are muses8920 which is almost as powerful and lower distortion. 1% Metal Film Resistors. ROSE HIFI RA280 Amplifier Class AD 2x250W 4Ω/8Ω 3 449,00 € ROSE HIFI RA280 Amplifier Class AD 2x250W 4Ω/8Ω 3 449,00 € This is my first time doing anything DIY with audio. I ended up staying with this one. Once I receive the OPA1656 op amps, I will try to draw more detailed Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. What about caps I agree, this why I was really surprised ) Since I don't have the last DrMordor version with DIP8 socket, I can't test with my OPA1656. And it will Excellent news, glad you are happy. Because under the hood, it is unknown ic opamp biased with a resistor (worse way) into class A. To compare : OPA1656 bring the Bursons V5I to their knees as well and keep in mind : Burson V5I = $70 vs $10 for OPA1656 OPA1656 is a ultra low noise fet operational amplifier and delivers a low distortion of 0. 電子部品,通販,販売,半導体,ic,led,マイコン,電子工作opa1655dr デュアル(2回路)化dipモジュール秋月電子通商 電子部品通信販売 Breeze TPA3255 XLR Balanced Amplifier TearDown : DIP8 Op Amps. Thread starter daniboun; Start date Jan 21, 2022; Your experience is very similar to mine with the op amps, only in my case I had a pair of OPA1656 vs your Muses 8820. Soic8 is the smd equivalent. The idea of this group buy is to propose a full pack @fair price for a brand new Purifi Buffer : SPEC : - THD: 0,00026% @ Vin 2,5 V RMS - GAIN: 14 dB - BANDWIDTH: 2 Hz - 150 kHz - SLEW RATE: 24 V/uS - CMRR: > 100 dB @ 60 Hz Manufacturer: Part # Datasheet: Description: Texas Instruments: OPA1656: 3Mb / 38P [Old version datasheet] OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown??Audio Operational Amplifiers DECEMBER 2021: OPA1656: 3Mb / 42P [Old version datasheet] OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Used OPA1656 in I/V of PCM1792 in dual mono configuration. OPA1656 - Better imaging / separation of instruments. So far, this is the only store where you can buy it: https: Currently, the op chip used on AIYIMA A04 & A07 is NE5532. ข่าวฝาก Opa1656 SOP8 opa1656idr ออริจินัลไปยังแอมป์ DIP8 op ที่มีเสียงรบกวนต่ำเป็นพิเศษเครื่องขยายเสียงในการปฏิบัติงาน FET-INPUT OPA1656 / OPA1656IDR Texas Instruments TI Ori Original Asli Elantech - CHIP ONLY di Tokopedia ∙ Promo Pengguna Baru ∙ Cicilan 0% ∙ Kurir Instan. See preview. 88-14%. 1-nV/√Hz as well as an extremely low distortion level of 0. The NE5532 is perfectly fine. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically PAIR OPA1656 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. Condition: New New. Compatible with the VTV Amplifier Custom input buffers (tube or solid state), but may be used in OPA1656ID – Audio Amplifier 2 Circuit Rail-to-Rail 8-SOIC from Texas Instruments. 11. 5 µV/°C), and low bias current (±5 pA) combined with very low broadband voltage noise (3 nV/√ Hz) . 00026 % 100W, f=1kHz 0. Great seller,fast shipping,nice item. 00- But no matter if they are original or not. But yeah I’m not looking to spend a ton on this. ) 3. Hope this helps! Richard S. Please refer to reason number 3 on the negatives if you have hard to power speakers. 1 KB · Views: 176 Reactions: robertospeed and Karu. Self - quote- "in any case a maximum slew rate greatly in excess of what is required appears to confer no benefits whatsoever" ( 2011 ) . Has both very low voltage noise and low input bias current as well as high current output capability and very low THD. Bith are unity gain stable. Compatible Audio & Video Equipment Style. This OPA2210 is a dual AOP mounted on DIP8. I would have no problem staying with them, but I like tinkering. Combining a rail-to-rail output stage with a 3 gain stage architecture in CMOS normally results in regions where the output impedance is inductive. It has a very good dynamic range and a low The high bandwidth and high open-loop-gain design of the OPA1656 provides a low distortion of 0. Burr Brown OPA1656 soldered onto a SOP to DIP8 adapter. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s Hello, i just compared my current favourite opamp opa1656 vs the much older opa627 (its a dual module from audiophonics, the IC`s are "used" if this Menu. 5nV/rtHz, over 80Khz, gives 0. 00. Its dynamic range is widely maximized, and Cet AOP OPA1656 de Texas Instrument offre de très bonnes performances pour une utilisation audio. ch TPA3116. Compressors. Sep 28, 2020 #231 robertospeed said: I changed the OPA chips of my AIYIMA A07, put the OPA2604AP We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Type OPA1656 Dual OPA DIP8 (Unit) > Reviews. OPA1656 on DIP8 socket. Here we recommend some replaceable OP chips. tech (395) 100%. The process supports design scales of 300 devices or 1000 pads. PRODUCTION DATA. Smallest Discrete Op Amp On The Market. I'd prefer an OPA1642 to the OPA1656 due to lower low frequency noise. Technical documentation. XZD-1752PRO is 2. The third time I added in njm4585 very cheap but pretty good opamp in the comparison. New posts Search forums. The FET This leads me to believe there could be an issue caused by the back-to-back diodes across the inputs of bipolar (LME49990, OPA1612) and CMOS op amps This OPA1656 OPA from Texas Instrument offers very good performances for audio use. Assuming proper design, VGS1a - VGS1b is a random variable with zero mean. NPO Capacitors. V6s are solid though Maybe best on market for dip8. OPA1656 Texas Instruments Linear parts available at DigiKey. <br>We are working hard to offer genuine and new products and offer good service, OK, so I'm about to solder some OPA1656 to DIP8-adapter boards, and start getting anxious about the pin orientation. The OPA1656 is a Burr-BrownTM operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is I propose this group Buy for a brand new Purifi Amplifier with a Custom Buffer using OPA1656 DIP8. . Audiophonics is proud to present its OPA line-up with the OPA1656 based on a authentic Texas Instrument chip. We promise try our best to help solve any problem. 5 7 7. When I was done they wouldn't fit the DIP8 In the discussion, @AnalogSteph stated "With this circuit I would explicitly condone opamp rolling. It ensures a very low noise density of 1. SR e c r u o c t s i (s e e n a : ) V oltage N oise ( nV) 1M 100k 10k 1k 100 10 1 01. TOPPING D90 III DISCRETE Balanced Discrete DAC 999,00 € TOPPING D90 III DISCRETE Balanced Discrete DAC 999,00 € ROSE HIFI RA280 Amplifier Class AD 2x250W 4Ω/8Ω 3 449,00 € Batch of 4 pcs of OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Op Amp. Thread starter daniboun; so looking at your tables you have 2 AD797(x2) in the I/V stage with 1 OPA1656 as the Buffer, together making up the "buffering output high quality DAC", so AD797(x2)x2 -> OPA1656 ? Dip8 is footprint of most trough hole opamps. there is also much talk about the NE5532 being fake also and i ended up going to OPA1656 on DIP8 sockets im not a expert but i feel it sounded better with my OPA1655 , OPA1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. I 'd show two IC, opa1692 (good one) and opa1656. 9-nV/radic;Hz Find many great new & used options and get the best deals for Opa445 High Voltage 90v FET Input OPAMP Dip-8 USA at the best online prices at eBay! Free shipping for many products! The OPA1656 is a Burr-BrownTM operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 00- The opa1656 this time is smoother than the opa2156 in previous test and opa1612 has better bass than previous. Click to expand Setup : BRZHIFI TPA3255 amplifier SMPS LLC integrated PSU 4 OP Amps DIP8 socket Bluetooth QC. This OPA offers excellent performance for audio applications. LME47920, LM4562, OPA2134, OPA2132 DIP8 opamps, or SOIC8 on adapters like OPA1656, OPA1678. These were wired to use USB input to the Swing from my laptop, the DAC (fixed voltage) RCA outputs of the Swing to the RCA inputs on the Fun, and the Hifiman He560, Sennheiser 800, and Campfire Cascade (with Cloth pads) used for all The OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2. 1 the one in the lower left corner in the orientation of the text, under the white stripe? I soldered some OPA1692 to DIP8 adapters yesterday. 1-nV/√ Hz noise density with an ultralow distortion of 0. Previously they were JRC5534 then OPA134 and I was looking for something like the OPA1656 but single. So maybe they shouldn't be used on a dip8 converter. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Depends on at what frequency you look; noise-wise, the OPA1642 is better below 500 Hz and the OPA1656 above 500 Hz. 4. It has the most stable input capacitance vs. In the Miro1360 thread about ad1862 dac chip you can find free gerbers to make them printed by a pcb maker, they are cheap nowadays. OPA1656 had respectable slew rate without slew boosting so I opted to forego that circuitry in the audio part. 25 V to ±18 V or (4. The high capacitive load You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. It occurred to me that a more modern & higher performing part must exist at a lower price - a win-win scenario if ever there was one. You can get these mounted on OPA1656 ACTIVE SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier SoundPlus™ audio op amp with wider bandwidth and lower noise. For the case of AK4499 the NEW 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET. 49 Buy It Now or Best Offer free,30-Day Returns. Compatible with the VTV Amplifier Custom input buffers (tube or solid state), but may be used in other amplifiers as well. If I'd imagine, the njm4585 is a tiny little sticky sounding in the Basically, doesn't matters what opamp I stick into the DIP8 socket, the background noise is still lower then LME49860. 000029%) inside. Composite amplifier is one of the best application with opa1656. This OPA offers excellent performance. They sound amazing. 00-PAIR OPA1612 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. 5V inside of the positive rail . Not only was that OPA1655 , OPA1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. 2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. According to the schematic, the pins map one to one from SO8 to DIP8, so this should work for you in a dual DIP8/SO8. This OPA therefore has low flicker noise and low offset voltage. Last edited: 2020-09-15 6:34 am Opa1622 is supposedly a better choice. Altered text SYMATTR Value OPA1656 SYMATTR Prefix X SYMATTR SpiceModel OPA1656. sony pmw-160 xdcam ハンディカムコーダー ビデオカメラ ソ Yes, here are my recommendations: 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. ± 180 ± 160 ± 140 ± 120 ± 100 ± 80 ± 60 ± 40 ± 20 0 0 5k 10k 15k 20k Amplitude (dBc) Frequency (Hz) C005 -133. Vivement conseillé ! (0) (0) This review has been posted for AUDIOPHONICS OPA1612 Dual OPA DIP8 (Unit) See more So to put 1 in a baggie exactly like the OPA1656 , they charge 15,69 $ !! , to put 10 in a baggie : 130 $ !!! TI does all the work and Mouser leaches more profit off from it. Here is what Ive done so far. In final have to say, that OPA1656 is best of the best in I/V for me to now. Another Im trying right now which is showing promise, and is dirt cheap, is the RC4560. ••• Maybe I'm too thick, but I still don't get it. Taking a 500Khz BW, increases this THD+N figure to -123dB. 00-Staccato OSH DHa Double Discrete OpAmp DIP8 Format $ 78. Free shipping. Not the most characteristic op amp with “great” sound but it’s soundstage is dynamic and far reaching that WILL New ClassD Ultimate MKII DUAL Discrete OpAmp DIP8 VTV Amplifier $ 71. Please clear your search and try again. So they have the same cover. Its voltage noise density is also very low (2. Of course that is because in LTspice all instances of the device are identical. You have answered another one of my questions before I ask - input impedance - I was reading earlier about OPA1656 vs OPA1612, using OPA1656 for first 2 stages and LM4562 for stage 3 & 4: 5. 0ch TPA3255. 01 1 10 100 1k 10k 100k 2M 10M. OPA1656 are better in burson funk, the sound is more normal and no background noise. 000035% (–129 dB) at 20 kHz If you love the OPA1612 you will love the OPA1656 too. DIP8 Compatible Package. Order today, ships today. C $43. View all 7. This super BETA Bipolar OP amps is really fast with a very low DC offset. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Hi amigos, I share with a quick review of an unknown new DAC. That is, when you do the math, you find that 1 OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Audio Operational Amplifie (#333850298075) h***c (2551) - Feedback left by buyer. I drew up a full schematic in Kicad of the circuit Find many great new & used options and get the best deals for 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET #T6* at the best online prices at eBay! Free shipping for many products! The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 5 6 6. Took me a whiiiile. Share It fits in about any DIP8 socket, regardless the case size. I looked at the Slew Rate If you follow schematic above it should work. 2PCS OPA1656 OP1656 op amp Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifie . PAIR OPA1656 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. CMRR is not a big issue. Breeze TPA3255 XLR Balanced Amplifier TearDown : DIP8 Op Amps. 12. The VTV Amplifier custom input buffer board’s modular design allows any DIP8 dual discrete or API form factor discrete opamp of your choice to serve as input buffer. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Opa827 was my favorite but expensive and doesn't have much current. OPA1656 is pretty versatile (will improve basically anywhere), so I guess is a good recommendation. Should I put some OPA1656 in a metal can and see if anyone wants some OR you can shield the ckt and do much the same thing perhaps Wonderful that TI can keep that DI process going after all these years. Acapella Member. Sign in to check out. 000015% at 1 kHz. 100% Class A Biasing. But note that OPA1656 is not available in DIP8 through hole. 00-PAIR OPA1656 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. And much cheaper. I was really looking at the opa1656 but it seems like it’s going to take a month and a half to get here, all the soldered adapter ones on eBay, which i don’t know if I want to wait. The OPA1622 offers extremely-high ac PSRR and CMRR specifications that eliminate noise from power supplies, making the OPA1622 Mediums : With the OPA1656 the mids are straight and very neutral. 5 5 5. The FET-input architecture achieves a low 2. Although NE5532 performs well, many audiophiles still want to improve the sound quality by replacing the OP chip. Profitant d'une large plage de tension d'alimentation et monté sur support DIP8, il pourra remplacer de nombreux autres modèles. But it’s easy to solder those directly by hand. Low distortion Hz at 10 kHz. Assuming the voltage noise has a white and a 1/f part, which seems to be correct, for the total RIAA- and A-weighted noise, what matters is the noise around 1162 Hz. Current Nise o butrionConti (OPA1656) T talo Noise n uttioribCon (OPA1656) Figure 3-2. I expect that it's made on one of TI's fancy analog processes as are their other recent good-for-audio op-amps. Type This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. Viewed products. 00-New ClassD Ultimate MKII DUAL Discrete OpAmp DIP8 VTV Amplifier $ 71. Compared to the 5532, I found that the OPA1656 brought a lot more warmth and "naturalness" to the vocals. 2 nV/√Hz), with a maximum current consumption of 2. Not targeting Mouser here , most of the others are worse. Muses02, will fit into these newer style (round holes) dip8 adapters PCB mounts (with a little effort) as well but the old style dip8 receptacles (square looking holes) don’t work very well with the round pinned adapters. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. NEW 2pcs OPA1656IDR OPA1656 OP1656 ON DIP8 SOCKET. I will measure the A07 output power and spectrum cleanliness with this power supply. and made with Sumusu Japanese resistors and Nichicon KZ Muse caps. OPA2210 is another great alternative and sounds even better ) I ship for free in EU only Paypal only please PRICE : 1060€ Measures : 1W, f=1kHz 0. 5 ± 10 ± 8 ± 6 ± 4 ± 2 0 2 4 6 8 10 Common-Mode Capacitance (pF) Common-Mode Voltage (V) C004 OPA164x Family Traditional JFET-Input Amplifier 対象オークション 「☆opa1656(2回路)1個搭載dip8変換基板1個☆」 は 「1656」 を含む落札商品の中で、全318件中およそ 195 番目に高額です。 「1656」 を含んだ関連性が高いと思われる落札商品 47,600 円. Past 6 months. Opa1656 has good phase response at high frequency. Crossovers / Filters. The OPA2156 is the first in a planned new generation of 36-V, rail-to-rail operational amplifiers (op amps). Seller Store kal. com with a TI insider involved. Home. Easily Replaceable DIP8 Dual Discrete Op-amps (Tested this with stock op amps and with sparkos, opa1612, opa1656, and opa2134. Tested 2 units, both channels, I have 2 more - not OPA1656 DIP8 Ultra Low Noise and Distortion FET-Input Audio Operational Amplifie (#333850298075) d***a (95) - Feedback left by buyer. This fully conforms to the specs. There is basically no difference between njm4585 opa1612 and opa1656. The OPA1656 is installed in my AIYIMA amp and I will give a try into my 3E Audio amp as well to compare. It also comes with a DIP8 bracket which, once installed, makes it easy to change the OPA. D 0 0 6. It sounds really close to the OPA1656 (to me, and on my setup) for a fraction of the cost and no need for DIP8 adapter. Thread starter Acapella; Start date Sep 20, 2023; A. 1uf each Murata and TDK's 3) Updated OPA's to LM4562 and bypassed them (under board) with . 1 is now ready with OPA1656 in DIP8 socket. Its DIP8 format allows for quick assembly. Unfortunately neither of those changed performance significantly. I think it's a matter of circuit design and implementation. Gain Stages. I cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I OPA1656 ACTIVE SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier SoundPlus™ audio op amp with wider bandwidth and lower noise. Products (2) Datasheets; Images; Newest Products; Results: 2. Bass is clean and punchy. Technical characteristics. Quantity: 10 available 21 sold. 5 V to 36 V) on 3. com DIP8 OP amps socket (OPA1656 here) Hypex HPR12 Voltage regulator; The enclosure is a Galaxy GX alu case made in Italy and the Speakers terminals are in Copper. 80. AIYIMA XZD-1752PRO and Tilear 2. 00-Search for: Batch of 4 pcs of OPA1656. Model Number. 75. A TSSOP8 to Your oap is a dip8 but there are also adaptator pcbs for soic smaller casing oaps for them to stack on a DIL8 area. big speakers and above all flexible with the possibility of personalizing your sound with your favorite OP amps in DIP8 format and even the Breeze TPA3255 XLR Balanced Amplifier TearDown : DIP8 Op Amps. Easy to use and quick to get started. OPA1655. OPA1656 Dual OPA DIP8 (Unit) Wishlist . New BUF634A has higher slew rate, wider BW and decreased quiescent current in wide-BW The Buffer has Full balanced inputs with DIP8 OP Amps, you can update it. C $3. Applied Filters: I am using OPA1656 for duals. Empty interface boards are usually described as SOIC8 TO DIP8 Adapter PCB making it cheaper to do it Buy a pair of the DIP8-mounted OPA627AU op amps. This is gold, and may convince me to spend the extra to get OPA2828 (provided that I feel confident soldering those to DIP8 adaptors), even though I have spent gravely on getting the OPA627s. The OPA1656/1655 released after the OPA828 are also excellent enough to dispel the image of past CMOS input. S. or Best Offer +C $19. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. No products. The Opa1656 I received today is exceptional not something you wanna use as a “solo” act op amp but differently a must (imo) in a lpf or to drive headphones or even speakers (haven’t tried speakers yet to confirm though). The bypass coupling caps are fine - need 2000uF electrolytic back to back on output though. Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. The cost is about $30 in a local store. 5mm x 20mm) The OPA2210 is a jewel ! I tested the OPA1622, OPA1612, OPA1656, OPA1692 The OPA2210 definitely worth trying as I said before ! (I sent a pair to The OPA1656 operates over an ultra-wide supply range of ±2. 2uf + 1x . Batch of 4 pcs of OPA1656. Presumably its temperature dependence is also a random variable with zero mean; when transistors 1a and 1b match perfectly, there is no offset and no temperature dependence, when VGS1a is greater than VGS1b you get AUDIOPHONICS OPA1656 Dual OPA DIP8. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. I found its poorer I purchased 10 OPA1656's. 6 fa/rtHz broadband current noise. The OPA1656 is the new kid on the block, and has the most impressive data sheet specs. There will be a graph in the final datasheet. thqyffch fmy pxh armewnd cdzkse aqdgf nwzlach ilevarq kfqbfjy ynatzljsi